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- Q2. There are 10 stacks of 32 coins (totally we have 320 coins), and there is exactly one stack in which all its coins are fake (i.e., counterfeit), and all the coins in the remaining 9 stacks are genuine. Every genuine coin weighs 10 grams, and every fake coin weighs 11 grams. You have a scale that can tell you the total weight of any selection of coins. Design a method that uses the scale to find the stack of fake coins. (An obvious solution uses the scale ten times. You should try to use the scale as few times as possible.)Write a method called inversePrint. This method gets a head of a linkedlist and Recursively print from the last item to the first one. This is a Recursive method. If Recursive is not used you will get no mark for this question Do not reverse the linkedlist, only print it in reverse example call: in the main I will call your method like: buffer = myList.head; //This is a buffer to copy the head address inversePrint(buffer); After this, the order for myList should not changed. if myList has: 1->2->3->4->5 your function should print: 5-> 4 -> 3->2->1 but if I check myList the order should still be 1->2->3->4->5 you can assume the LinkedList code for all other operations exist and if you need you can use them Do Not create a new linkedlist in inverse Hint: use recursion does this for you really easyWrite a code in Java Write a method called inversePrint. This method gets a head of a linkedlist and Recursively print from the last item to the first one. This is a Recursive method. If Recursive is not used you will get no mark for this question Do not reverse the linkedlist, only print it in reverse example call: in the main I will call your method like: buffer = myList.head; //This is a buffer to copy the head address inversePrint(buffer); After this, the order for myList should not changed. if myList has: 1->2->3->4->5 your function should print: 5-> 4 -> 3->2->1 but if I check myList the order should still be 1->2->3->4->5 you can assume the LinkedList code for all other operations exist and if you need you can use them Do Not create a new linkedlist in inverse Hint: use recursion does this for you really easy
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- Design and implement an insertSorted() method for the MyArrayList class. The method should receive a single object and insert it in its correct position. You can assume that the calling array is already in a sorted order. The calling array is therefore updated. Follow the three step method for designing the method. Develop the java code for the method. Create a test program to test the method thoroughly using the Integer wrapper class.Use the divide-and-conquer approach to write a java code that finds thelargest item in a list of n items. Analyze your algorithm, and show theresults in order notation.Write a program that animates quadratic probing,as shown in Figure . You can change the initial size of the hash-table in theprogram. Assume the load-factor threshold to be 0.8.